diff --git a/.ci/release_template.md b/.ci/release_template.md
index 17cd83e93..3c8c9d9df 100644
--- a/.ci/release_template.md
+++ b/.ci/release_template.md
@@ -44,7 +44,7 @@ If you'd like to help contribute to Cockatrice in any way, check out our [README
 > ⚠️ **With this release, we no longer provide a ready-to-install binary for:**
 > --DEPRECATED-OS-HERE--
  -->
- 
+
 - Run the internal software updater: <kbd>Help → Check for Client Updates</kbd>
 
 Don't forget to update your card database right after! (<kbd>Help → Check for Card Updates...</kbd>)
diff --git a/cockatrice/src/player.cpp b/cockatrice/src/player.cpp
index fe193bc50..6f3d1acd2 100644
--- a/cockatrice/src/player.cpp
+++ b/cockatrice/src/player.cpp
@@ -2615,15 +2615,6 @@ void Player::clearArrows()
 void Player::rearrangeCounters()
 {
     qreal marginTop = 80;
-
-    // Determine total height of bounding rectangles
-    qreal totalHeight = 0;
-    for (const auto &counter : counters) {
-        if (counter->getShownInCounterArea()) {
-            totalHeight += counter->boundingRect().height();
-        }
-    }
-
     const qreal padding = 5;
     qreal ySize = boundingRect().y() + marginTop;
 
diff --git a/common/passwordhasher.cpp b/common/passwordhasher.cpp
index 83085d6f5..bc5f072e8 100644
--- a/common/passwordhasher.cpp
+++ b/common/passwordhasher.cpp
@@ -4,11 +4,6 @@
 
 #include <QCryptographicHash>
 
-void PasswordHasher::initialize()
-{
-    // dummy
-}
-
 QString PasswordHasher::computeHash(const QString &password, const QString &salt)
 {
     QCryptographicHash::Algorithm algo = QCryptographicHash::Sha512;
@@ -41,4 +36,4 @@ QString PasswordHasher::generateRandomSalt(const int len)
 QString PasswordHasher::generateActivationToken()
 {
     return QCryptographicHash::hash(generateRandomSalt().toUtf8(), QCryptographicHash::Md5).toBase64().left(16);
-}
\ No newline at end of file
+}
diff --git a/common/passwordhasher.h b/common/passwordhasher.h
index 075579754..811ecef15 100644
--- a/common/passwordhasher.h
+++ b/common/passwordhasher.h
@@ -6,7 +6,6 @@
 class PasswordHasher
 {
 public:
-    static void initialize();
     static QString computeHash(const QString &password, const QString &salt);
     static QString generateRandomSalt(const int len = 16);
     static QString generateActivationToken();
diff --git a/common/server_protocolhandler.cpp b/common/server_protocolhandler.cpp
index a560d84e4..1ca934aca 100644
--- a/common/server_protocolhandler.cpp
+++ b/common/server_protocolhandler.cpp
@@ -50,9 +50,9 @@ void Server_ProtocolHandler::prepareDestroy()
         return;
     deleted = true;
 
-    QMapIterator<int, Server_Room *> roomIterator(rooms);
-    while (roomIterator.hasNext())
-        roomIterator.next().value()->removeClient(this);
+    for (auto *room : rooms.values()) {
+        room->removeClient(this);
+    }
 
     QMap<int, QPair<int, int>> tempGames(getGames());
 
@@ -61,27 +61,27 @@ void Server_ProtocolHandler::prepareDestroy()
     while (gameIterator.hasNext()) {
         gameIterator.next();
 
-        Server_Room *r = server->getRooms().value(gameIterator.value().first);
-        if (!r)
+        Server_Room *room = server->getRooms().value(gameIterator.value().first);
+        if (!room)
             continue;
-        r->gamesLock.lockForRead();
-        Server_Game *g = r->getGames().value(gameIterator.key());
-        if (!g) {
-            r->gamesLock.unlock();
+        room->gamesLock.lockForRead();
+        Server_Game *game = room->getGames().value(gameIterator.key());
+        if (!game) {
+            room->gamesLock.unlock();
             continue;
         }
-        g->gameMutex.lock();
-        Server_Player *p = g->getPlayers().value(gameIterator.value().second);
+        game->gameMutex.lock();
+        Server_Player *p = game->getPlayers().value(gameIterator.value().second);
         if (!p) {
-            g->gameMutex.unlock();
-            r->gamesLock.unlock();
+            game->gameMutex.unlock();
+            room->gamesLock.unlock();
             continue;
         }
 
         p->disconnectClient();
 
-        g->gameMutex.unlock();
-        r->gamesLock.unlock();
+        game->gameMutex.unlock();
+        room->gamesLock.unlock();
     }
     server->roomsLock.unlock();
 
@@ -671,24 +671,24 @@ Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoo
         return Response::RespContextError;
 
     QReadLocker serverLocker(&server->roomsLock);
-    Server_Room *r = server->getRooms().value(cmd.room_id(), 0);
-    if (!r)
+    Server_Room *room = server->getRooms().value(cmd.room_id(), 0);
+    if (!room)
         return Response::RespNameNotFound;
 
     if (!(userInfo->user_level() & ServerInfo_User::IsModerator))
-        if (!(r->userMayJoin(*userInfo)))
+        if (!(room->userMayJoin(*userInfo)))
             return Response::RespUserLevelTooLow;
 
-    r->addClient(this);
-    rooms.insert(r->getId(), r);
+    room->addClient(this);
+    rooms.insert(room->getId(), room);
 
     Event_RoomSay joinMessageEvent;
-    joinMessageEvent.set_message(r->getJoinMessage().toStdString());
+    joinMessageEvent.set_message(room->getJoinMessage().toStdString());
     joinMessageEvent.set_message_type(Event_RoomSay::Welcome);
-    rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(joinMessageEvent));
+    rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, room->prepareRoomEvent(joinMessageEvent));
 
-    QReadLocker chatHistoryLocker(&r->historyLock);
-    QList<ServerInfo_ChatMessage> chatHistory = r->getChatHistory();
+    QReadLocker chatHistoryLocker(&room->historyLock);
+    QList<ServerInfo_ChatMessage> chatHistory = room->getChatHistory();
     ServerInfo_ChatMessage chatMessage;
     for (int i = 0; i < chatHistory.size(); ++i) {
         chatMessage = chatHistory.at(i);
@@ -697,11 +697,11 @@ Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoo
         roomChatHistory.set_message_type(Event_RoomSay::ChatHistory);
         roomChatHistory.set_time_of(
             QDateTime::fromString(QString::fromStdString(chatMessage.time())).toMSecsSinceEpoch());
-        rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(roomChatHistory));
+        rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, room->prepareRoomEvent(roomChatHistory));
     }
 
     Response_JoinRoom *re = new Response_JoinRoom;
-    r->getInfo(*re->mutable_room_info(), true);
+    room->getInfo(*re->mutable_room_info(), true);
 
     rc.setResponseExtension(re);
     return Response::RespOk;
diff --git a/servatrice/src/main.cpp b/servatrice/src/main.cpp
index 357a91705..de34755a2 100644
--- a/servatrice/src/main.cpp
+++ b/servatrice/src/main.cpp
@@ -171,8 +171,6 @@ int main(int argc, char *argv[])
     std::cerr << "Servatrice " << VERSION_STRING << " starting." << std::endl;
     std::cerr << "-------------------------" << std::endl;
 
-    PasswordHasher::initialize();
-
     if (testRandom) {
         testRNG();
     }
diff --git a/servatrice/src/servatrice.cpp b/servatrice/src/servatrice.cpp
index 26c3eab39..8a25cf3ef 100644
--- a/servatrice/src/servatrice.cpp
+++ b/servatrice/src/servatrice.cpp
@@ -206,8 +206,9 @@ Servatrice::~Servatrice()
 
     // clients live in other threads, we need to lock them
     clientsLock.lockForRead();
-    for (auto client : clients)
+    for (auto *client : clients) {
         QMetaObject::invokeMethod(client, "prepareDestroy", Qt::QueuedConnection);
+    }
     clientsLock.unlock();
 
     // client destruction is asynchronous, wait for all clients to be gone
diff --git a/servatrice/src/serversocketinterface.cpp b/servatrice/src/serversocketinterface.cpp
index 47fbe8fbf..bdfe6d999 100644
--- a/servatrice/src/serversocketinterface.cpp
+++ b/servatrice/src/serversocketinterface.cpp
@@ -893,8 +893,7 @@ Response::ResponseCode AbstractServerSocketInterface::cmdWarnUser(const Command_
             delete se;
         }
 
-        QListIterator<QString> modIterator(moderatorList);
-        foreach (QString moderator, moderatorList) {
+        for (QString &moderator : moderatorList) {
             QString notificationMessage = sendingModerator + " has sent a warning with the following information";
             notificationMessage.append("\n    Username: " + userName);
             notificationMessage.append("\n    Reason: " + warningReason);
@@ -987,8 +986,7 @@ Response::ResponseCode AbstractServerSocketInterface::cmdBanFromServer(const Com
         }
     }
 
-    QListIterator<QString> modIterator(moderatorList);
-    foreach (QString moderator, moderatorList) {
+    for (QString &moderator : moderatorList) {
         QString notificationMessage =
             QString::fromStdString(userInfo->name()).simplified() + " has placed a ban with the following information";
         if (!userName.isEmpty())